The IFD-U3PK-UV is the correct OEM replacement set for the iFilters U300UV Under-sink Drinking Water Filtration Systems.

The IFD-U3PK-UV combines Sediment filtration, GAC/KDF, a UV Sterilizer Bulb, and a 0.5 sub-micron Carbon Block to filter and reduce heavy metals as well as bacteria, chlorine, taste, odor, lead, cyst, parasites, THMs, VOCs, Turbidity and many other contaminants found in city and well water.

The U300UV requires a bulb change every 12 months.

• Stage 1) SD1-2510 - Sediment Filter - Filters and reduces dirt, sand, silt, sediment and rust.
• Stage 2) KDF05-10 - GAC/KDF Filter - Filters and reduces heavy metals, chlorine, taste, order, bacteria, algae, etc.
• Stage 3) GL10PP Polaris Scientific UV Ultraviolet New Style Replacement Germicidal Lamp, 10W 4 Pin.
• Stage 4) CBSM-2510 - Sub-micron Carbon Block Filter - Further filters and reduces chlorine taste and order, Cysts, lead, parasites (cryptosporidium and giardia), cloudiness (turbidity), THMs (trihalomethanes), VOCs (volatile organic chemicals), asbestos, and more.